2023
Prednisone vs Placebo and Live Birth in Patients With Recurrent Implantation Failure Undergoing In Vitro Fertilization
Sun Y, Cui L, Lu Y, Tan J, Dong X, Ni T, Yan J, Guan Y, Hao G, Liu J, Zhang B, Wei D, Hong Y, He Y, Qi J, Xu B, Lu J, Zhang Q, Zhao S, Ji X, Du X, Zhang J, Liu J, Wang J, Huang Y, Huang D, Du Y, Vankelecom H, Zhang H, Chen Z. Prednisone vs Placebo and Live Birth in Patients With Recurrent Implantation Failure Undergoing In Vitro Fertilization. JAMA 2023, 329: 1460-1468. PMID: 37129654, PMCID: PMC10155063, DOI: 10.1001/jama.2023.5302.Peer-Reviewed Original ResearchConceptsRecurrent implantation failureFrozen-thawed embryo transferBiochemical pregnancy lossLive birthsImplant failurePlacebo groupPrednisone groupPreterm deliveryEmbryo transferPregnancy lossRisk of preterm deliveryRates of biochemical pregnancyEmbryo transfer cyclesGood-quality embryosLive birth rateLive birth outcomesTreatment of recurrent implantation failureStatistically significant between-group differencesHistory of 2Randomized clinical trialsProbability of implantationImmune-regulatory agentSignificant between-group differencesNeonatal complicationsWeeks gestation
2020
Endometrial thickness after ovarian stimulation with gonadotropin, clomiphene, or letrozole for unexplained infertility, and association with treatment outcomes
Quaas AM, Gavrizi SZ, Peck JD, Diamond MP, Legro RS, Robinson RD, Casson P, Christman GM, Zhang H, Hansen KR, Network E. Endometrial thickness after ovarian stimulation with gonadotropin, clomiphene, or letrozole for unexplained infertility, and association with treatment outcomes. Fertility And Sterility 2020, 115: 213-220. PMID: 32972733, PMCID: PMC7796980, DOI: 10.1016/j.fertnstert.2020.07.030.Peer-Reviewed Original ResearchConceptsLive birth rateEndometrial thicknessUnexplained infertilityOvarian stimulationRisk ratioLive birthsEMT groupHuman chorionic gonadotropin administrationHigher live birth rateIntrauterine insemination treatmentMean endometrial thicknessMultiple Intrauterine GestationsOvarian stimulation medicationChorionic gonadotropin administrationProspective cohort analysisUnadjusted risk ratioAdjusted risk ratioBirth rateOS-IUIThin endometriumIntrauterine gestationGonadotropin administrationStimulation medicationsClinical trialsTreatment outcomesAndrogenicity and fertility treatment in women with unexplained infertility
Wang ET, Diamond MP, Alvero R, Casson P, Christman GM, Coutifaris C, Hansen KR, Sun F, Legro RS, Robinson RD, Usadi RS, Pisarska MD, Santoro NF, Zhang H, Network I. Androgenicity and fertility treatment in women with unexplained infertility. Fertility And Sterility 2020, 113: 636-641. PMID: 32192596, PMCID: PMC7088440, DOI: 10.1016/j.fertnstert.2019.10.034.Peer-Reviewed Original ResearchConceptsLive birth rateBody mass indexUnexplained infertilityClinical pregnancyMass indexPregnancy lossClinical markersLive birthsAndrogenic activityFree androgen index valuesHigher body mass indexMultivariable logistic regression modelMultiple Intrauterine GestationsNormal uterine cavityHigh waist circumferenceOvarian stimulation treatmentPatent fallopian tubesBirth rateLogistic regression modelsAndrogen markersSerum TTOvarian stimulationRegular mensesInfertility populationIntrauterine gestation
2018
Vitamin D Deficiency Is Associated With Poor Ovarian Stimulation Outcome in PCOS but Not Unexplained Infertility
Butts SF, Seifer DB, Koelper N, Senapati S, Sammel MD, Hoofnagle AN, Kelly A, Krawetz SA, Santoro N, Zhang H, Diamond MP, Legro RS, Network E. Vitamin D Deficiency Is Associated With Poor Ovarian Stimulation Outcome in PCOS but Not Unexplained Infertility. The Journal Of Clinical Endocrinology & Metabolism 2018, 104: 369-378. PMID: 30085176, PMCID: PMC6300410, DOI: 10.1210/jc.2018-00750.Peer-Reviewed Original ResearchConceptsVitamin D deficiencyPolycystic ovary syndromeD deficiencyEarly pregnancy lossOvarian stimulationUnexplained infertilityLive birthsPregnancy lossDiagnosis of PCOSMultiple Intrauterine GestationsOvarian stimulation outcomesRetrospective cohort studyInvestigation of womenBanked seraPPCOS IICohort studyIntrauterine gestationOvary syndromeInfertile womenInfertility diagnosisPregnant subjectsElevated riskImportant treatmentReproductive outcomesTrial data
2017
Effect of Preconception Impaired Glucose Tolerance on Pregnancy Outcomes in Women With Polycystic Ovary Syndrome
Wei D, Zhang B, Shi Y, Zhang L, Zhao S, Du Y, Xu L, Legro RS, Zhang H, Chen ZJ. Effect of Preconception Impaired Glucose Tolerance on Pregnancy Outcomes in Women With Polycystic Ovary Syndrome. The Journal Of Clinical Endocrinology & Metabolism 2017, 102: 3822-3829. PMID: 28938429, DOI: 10.1210/jc.2017-01294.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testPolycystic ovary syndromePregnancy outcomesI-IFGOvary syndromeGlucose toleranceHigh riskIntrinsic insulin resistanceAdverse pregnancy outcomesTotal testosterone levelsDuration of infertilityImpaired glucose tolerancePregnancy loss rateBody mass indexFrozen embryo transferGlucose tolerance testMain outcome measuresGestational diabetesObstetric complicationsSingleton newbornsSingleton pregnanciesGestational ageMass indexTwin pregnanciesInsulin levels
2016
Effect of pretreatment with oral contraceptives and progestins on IVF outcomes in women with polycystic ovary syndrome
Wei D, Shi Y, Li J, Wang Z, Zhang L, Sun Y, Zhou H, Xu Y, Wu C, Liu L, Wu Q, Zhuang L, Du Y, Li W, Zhang H, Legro RS, Chen ZJ. Effect of pretreatment with oral contraceptives and progestins on IVF outcomes in women with polycystic ovary syndrome. Human Reproduction 2016, 32: 354-361. PMID: 27999118, PMCID: PMC5870982, DOI: 10.1093/humrep/dew325.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeFrozen embryo transferFresh embryo transferLive birth rateGnRH antagonist protocolOral contraceptivesSpontaneous mensesRate of pregnancyLive birthsEmbryo transferMenses inductionAntagonist protocolIVF cyclesOvarian stimulationOvary syndromePregnancy lossBirth rateMultivariate logistic regression analysisStudy designHigher pregnancy loss rateObese PCOS womenPregnancy loss rateSimilar pregnancy ratesPARTICIPANTS/MATERIALSLogistic regression analysisPredictors of pregnancy and live-birth in couples with unexplained infertility after ovarian stimulation–intrauterine insemination
Hansen KR, He AL, Styer AK, Wild RA, Butts S, Engmann L, Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Huang H, Santoro N, Eisenberg E, Zhang H, Network E. Predictors of pregnancy and live-birth in couples with unexplained infertility after ovarian stimulation–intrauterine insemination. Fertility And Sterility 2016, 105: 1575-1583.e2. PMID: 26949110, PMCID: PMC4893990, DOI: 10.1016/j.fertnstert.2016.02.020.Peer-Reviewed Original ResearchConceptsDuration of infertilityUnexplained infertilityPregnancy outcomesClinical trialsClinical pregnancyBaseline characteristicsLive birthsMultivariable logistic regression analysisMultiple Intrauterine GestationsMultiple pregnancy ratePredictors of pregnancyPrior pregnancy lossLive birth rateMulticenter clinical trialSignificant predictorsLogistic regression analysisClomiphene citrateOvarian stimulationAntimüllerian hormoneIntrauterine gestationSerum levelsWaist circumferencePregnancy lossObstetrical carePregnancy rate
2015
Assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial: baseline characteristics
Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Ager J, Huang H, Hansen KR, Baker V, Usadi R, Seungdamrong A, Bates GW, Rosen RM, Haisonleder D, Krawetz SA, Barnhart K, Trussell JC, Jin Y, Santoro N, Eisenberg E, Zhang H, Network I. Assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial: baseline characteristics. Fertility And Sterility 2015, 103: 962-973.e4. PMID: 25707331, PMCID: PMC4529113, DOI: 10.1016/j.fertnstert.2014.12.130.Peer-Reviewed Original ResearchConceptsAntimüllerian hormone levelsAntral follicle countBody mass indexBaseline characteristicsClomiphene citrateOvarian stimulationUnexplained infertilityFollicle countHormone levelsSemen parametersMean body mass indexGood ovarian reserveMultiple Intrauterine GestationsOvarian stimulation (AMIGOS) trialUse of letrozoleComparable patient populationsProspective clinical trialsCause of infertilityOvulation induction medicationsRate of multiplesCommon baseline characteristicsNormal semen parametersBasal FSHInfertility durationBaseline demographics
2011
Estimating rates of multiple gestation pregnancies: Sample size calculation from the assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial
Diamond MP, Mitwally M, Casper R, Ager J, Legro RS, Brzyski R, Casson P, Eisenberg E, Zhang H, Network F. Estimating rates of multiple gestation pregnancies: Sample size calculation from the assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial. Contemporary Clinical Trials 2011, 32: 902-908. PMID: 21787883, PMCID: PMC3708642, DOI: 10.1016/j.cct.2011.07.009.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAromatase InhibitorsClomipheneDose-Response Relationship, DrugDouble-Blind MethodFemaleFertility Agents, FemaleGonadotropinsHumansInfant, NewbornInfertilityLetrozoleMaleNitrilesOvulation InductionPregnancyPregnancy OutcomePregnancy, MultipleProspective StudiesTreatment OutcomeTriazolesYoung AdultConceptsMultiple Intrauterine GestationsMultiple gestation pregnanciesOvulation inductionUnexplained infertilityGestation pregnanciesIntrauterine gestationMultiple gestationsComparable pregnancy ratesMono-follicular developmentOvarian stimulation (AMIGOS) trialOvarian hyperstimulation syndromePregnancy success ratePublic health benefitsExpense of careHyperstimulation syndromeClomiphene citrateNeonatal morbidityPreterm laborFertility medicationsPreterm infantsIntrauterine inseminationStimulation trialsAromatase inhibitorsPregnancy rateGestation
1996
A TREE‐BASED METHOD OF ANALYSIS FOR PROSPECTIVE STUDIES
ZHANG H, HOLFORD T, BRACKEN M. A TREE‐BASED METHOD OF ANALYSIS FOR PROSPECTIVE STUDIES. Statistics In Medicine 1996, 15: 37-49. PMID: 8614744, DOI: 10.1002/(sici)1097-0258(19960115)15:1<37::aid-sim144>3.0.co;2-0.Peer-Reviewed Original Research